You can consider gambrel roof to be a modified version of a gable roof.
Mansard roof construction details.
Mansard roofs are for the most part based on standing seam or batten seam construction.
Establish the correct number of courses of mansard tiles to maintain minimum headlap of 65mm.
There is a sort of visible distinction between flat roofs and mansard roofs.
The lower ends of the pans are typically hooked over an edge strip to form a drip.
The ends may alternately attach to the base flashing where a change in roof slope occurs.
The low downward slope of the mansard roof line acts visually to reduce the scale of a building and helps to eliminate a boxy appearance.
It is similar to a gambrel roof but differs in that it displays the same profile on all sides whereas a gambrel roof has vertical gables at either end.
If you are not familiar with a gambrel roof then let us first explain its architecture in brief.
Mansard is a four sided roof with double slopes on each side so its sides can either be curved or flat.
But you cannot misunderstand them as straight panel roofs.
Simply put the mansard roof also known as the french roof or curb roof is a hybrid between a gambrel roof and a hip roof.
It depends upon what type of design customer wants to implement.
Mansard roof with mansard tiles ensure that a clear ventilation path is maintained from eaves to ridge where insulation is positioned between the rafters.